CN115419554A

CN115419554A - Turning gear for mounting wind power blades

Info

Publication number: CN115419554A
Application number: CN202211183613.4A
Authority: CN
Inventors: 丁建国; 马伟; 杨军; 柴红杰; 张赛夫
Original assignee: Shanghai Xihua Machinery Engineering Co ltd
Current assignee: Shanghai Xihua Machinery Engineering Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-02
Anticipated expiration: 2042-09-27
Also published as: CN115419554B

Abstract

The utility model relates to a wind power generation field discloses a barring equipment for installation of wind-powered electricity generation blade, including the chassis, rotate on the lateral wall on chassis be provided with gear box output end coaxial coupling, be provided with at least one on the chassis and be used for driving the shaft coupling and carry out the pivoted driving piece, can dismantle on the chassis be provided with cabin fixed connection's tractive subassembly, the tractive subassembly carries out the tractive to the chassis and is used for restraining the chassis and rotates along with the shaft coupling jointly. This application has can be through adopting detachable tractive subassembly, when installing barring equipment, and the chassis is installed with the tractive subassembly split for the space in the shared cabin of barring equipment in the installation is littleer, thereby is convenient for install barring equipment in the cabin, reaches to improve the effect that barring equipment is difficult for installing in the cabin.

Description

Turning gear for mounting wind power blades

Technical Field

The application relates to the field of wind power generation, in particular to a barring gear for mounting a wind power blade.

Background

Wind energy is regarded as a clean renewable energy source, and is more and more valued by people, and the wind energy can be converted into electric energy through a wind generating set. The wind generating set comprises a tower, a machine room, an impeller, a gear box and a generator, wherein the tower is arranged on the ground, the machine room is fixedly arranged at the top end of the tower, the impeller is rotatably arranged on the machine room, and the gear box and the generator are both arranged in the machine room. The impeller comprises a hub and three blades, the three blades are arranged on the hub, the hub is connected with the input end of the gear box through a wind wheel shaft, and the output end of the gear box is connected with the generator through a generator shaft. Wind blows the impeller to rotate, and the impeller drives the generator to generate electricity through the gear box.

At present, need use barring equipment drive wheel hub to rotate to appointed angle when installing the blade, barring equipment is hoisted to the cabin by lifting device, barring equipment includes the base, driving motor, barring gear and shaft coupling, the base is through a plurality of bolt fixed mounting in the cabin, the barring gear rotates and installs in the base, driving motor fixed mounting drives the barring gear and rotates on the base, shaft coupling coaxial arrangement is on the lateral wall of barring gear, and the other end of shaft coupling and the output coaxial coupling of gear box. The base supports barring gear and shaft coupling, and driving motor drive barring gear rotates, and the barring gear rotates through shaft coupling drive gear box internal gear to rotate through wind wheel shaft drive wheel hub.

In view of the above-mentioned related technologies, the available installation space in the nacelle of the wind turbine generator system is small, and the volume of the barring equipment is large, and when the barring equipment is installed, the base of the barring equipment is not easily installed and fixed in the nacelle, and the inventor thinks that there is a defect that the barring equipment is not easily installed in the nacelle.

Disclosure of Invention

In order to improve the problem that the barring equipment is not easy to install in the cabin, the application provides the barring equipment for installing the wind power blades.

The application provides a barring equipment for installation of wind-powered electricity generation blade adopts following technical scheme:

the utility model provides a barring equipment for wind-powered electricity generation blade installation, includes the chassis, rotate on the lateral wall on chassis and be provided with the shaft coupling with gear box output coaxial coupling, at least, be provided with one on the chassis and be used for driving the shaft coupling and carry out pivoted driving piece, can dismantle on the chassis and be provided with the tractive subassembly with cabin fixed connection, the tractive subassembly carries out the tractive to the chassis and is used for restraining the chassis to rotate along with the shaft coupling jointly.

By adopting the technical scheme, when the turning gear equipment is installed, the chassis and the traction equipment are respectively hoisted into the engine room by using the hoisting equipment, the coupler is coaxially and fixedly installed at the output end of the gear box, the coupler supports the chassis at the moment, so that the chassis is suspended in the air, the traction assembly is installed on the chassis, and the other end of the traction assembly is fixed in the engine room, so that the installation of the turning gear equipment can be completed; the driving piece drives the shaft coupling to rotate, when the shaft coupling rotates, the traction assembly pulls the chassis to prevent the chassis from rotating together with the shaft coupling, so that the chassis and the engine room are kept relatively static, the shaft coupling rotates to drive the gears in the gear box to rotate, the hub is driven to rotate through the wind wheel shaft, and the blades can be installed after the hub rotates to a specified angle. So set up, install through chassis and tractive subassembly split for the space of the shared cabin of barring equipment in the installation is littleer, thereby is convenient for install barring equipment in the cabin.

Preferably, the traction assembly comprises a force arm connecting rod, a reaction arm and a reaction support, the force arm connecting rod is arranged on the chassis, the reaction support is fixedly arranged in the cabin, and two ends of the reaction arm are respectively connected with the force arm connecting rod and the reaction support in a rotating mode.

Through adopting above-mentioned technical scheme, the shaft coupling acts on the chassis when rotating for the chassis has with the coaxial pivoted trend of shaft coupling, the chassis acts on the arm of force connecting rod this moment, on the reaction support that links to each other with the cabin main structure is transmitted with the rotation moment on chassis to the rethread reaction arm, the reaction support carries out the tractive to the arm of force connecting rod through the reaction arm, thereby carry out the tractive to the chassis, the chassis can not take place to rotate when making the barring equipment move, stability when having ensured the barring equipment and using.

Preferably, the reaction arm comprises a telescopic sleeve and a telescopic rod, the telescopic rod and the telescopic sleeve are respectively connected with the force arm connecting rod and the reaction support, and the telescopic sleeve is adjustably arranged on the telescopic rod along the axis direction of the telescopic rod.

Through adopting above-mentioned technical scheme, the gear box model diverse that wind generating set of different model powers used, and the output height of different model gear boxes also diverse, when shaft coupling fixed mounting is at the output of gear box to when using the tractive subassembly to connect the chassis, through the adjustable cooperation of telescopic tube and telescopic link, make the distance between arm of force connecting rod and the counter-force support adjust. So set up, the distance between arm of force connecting rod and the reaction support can be adjusted for the tractive subassembly can carry out the tractive to the chassis of co-altitude department, thereby makes the installation that barring equipment is applicable to different model power wind generating set, has improved the suitability of barring equipment.

Preferably, a first pin shaft penetrates through the joint of the force arm connecting rod and the chassis, the force arm connecting rod is detachably arranged on the chassis through the first pin shaft, a second pin shaft penetrates through the joint of the force arm connecting rod and the counter-force arm, the counter-force arm is detachably arranged on the force arm connecting rod through the second pin shaft, a force taking pin shaft is arranged at the joint of the counter-force arm and the counter-force support, and the counter-force arm is detachably arranged on the counter-force support through the force taking pin shaft.

By adopting the technical scheme, when the traction assembly is installed, the first pin shaft penetrates through the chassis and the force arm connecting rod, and the force arm connecting rod is installed on the chassis; secondly, a force taking pin shaft penetrates through the counter force arm and the counter force support, and the counter force arm is arranged on the counter force support; then, fixedly installing the power take-off support in the engine room; and finally, adjusting the length of the reaction arm, penetrating the reaction arm and the reaction arm connecting rod by using a second pin shaft, and installing the reaction arm on the reaction arm connecting rod. So set up, use the round pin axle to install and dismantle the tractive subassembly to make the dismouting of tractive subassembly convenient and fast more.

Preferably, the arm of force connecting rod is right triangle, first round pin axle is provided with two, and two first round pin axle wears to establish respectively at the both ends of arm of force connecting rod right-angle side.

Through adopting above-mentioned technical scheme, use two first round pin axles with arm of force connecting rod fixed mounting on the chassis, the arm of force even is right triangle-shaped and makes arm of force connecting rod's rod structure more stable to make arm of force connecting rod difficult emergence deformation when receiving the great pulling force of chassis.

Preferably, a sensor used for collecting torque values of the turning gear is arranged on the power take-off pin shaft.

By adopting the technical scheme, the real torque value of the turning gear is monitored in real time by using the sensor on the power take-off pin shaft, so that the condition that the turning gear is damaged due to the fact that the torque value of the turning gear is large is reduced.

Preferably, the chassis internal rotation is provided with the drive gear who is connected with the driving piece transmission, be provided with the driven rotation piece with drive gear engaged with in the chassis, just the coaxial fixed mounting of shaft coupling is on the lateral wall of driven rotation piece, be provided with the backplate on the chassis, the backplate cover is established in drive gear and driven rotation piece meshing department.

Through adopting above-mentioned technical scheme, the driving piece drives drive gear and rotates in the chassis, drive gear drives driven rotation piece and rotates in the chassis, driven rotation piece drives the shaft coupling and rotates to drive wheel hub through the gear box and rotate, and the backplate carries out the shade to drive gear and driven meshing department that rotates, thereby reduces because of the foreign object drops to the meshing department of drive gear and driven rotation piece and leads to the condition that the barring equipment breaks down.

Preferably, driving piece and drive gear all are provided with a plurality ofly, and are a plurality of driving piece and drive gear equidistant encircle to set up on the chassis, and it is a plurality of drive gear all meshes with driven rotation piece mutually.

Through adopting above-mentioned technical scheme, a plurality of driving pieces drive a plurality of drive gears and rotate simultaneously, and a plurality of drive gears act on driven rotation piece simultaneously, have increased the drive power that driven rotation piece received to be convenient for driven rotation piece rotates through shaft coupling and gear box drive wheel hub.

Preferably, the reaction support comprises a support base and a connection base, the support base is fixedly arranged in the cabin, the connection base is clamped and slidably arranged on the support base, and the reaction arm is rotatably connected with the connection base.

Through adopting above-mentioned technical scheme, when installing the counter-force support, earlier support pedestal fixed mounting on the ear seat in cabin, will connect pedestal slidable mounting again on supporting the pedestal, will the counter-force arm with connect the pedestal and be connected the installation at last. So set up, connect the pedestal and slide on the supporting seat body, can compensate cabin ear seat welded error to be convenient for install the reaction support.

Preferably, fixed mounting has the supporting seat on the lateral wall on chassis, driven rotation piece includes slewing bearing and driven gear, the coaxial fixed setting of slewing bearing is on driven gear's lateral wall, slewing bearing rotates the cover and establishes on the supporting seat, just driven gear meshes with drive gear mutually.

Through adopting above-mentioned technical scheme, two drive gears drive driven gear and rotate, and driven gear drives slewing bearing and rotates on the supporting seat, and makes driven gear be located the base outside through using slewing bearing to make the barring equipment can use in the cabin installation environment of difference.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by adopting the detachable traction assembly, when the barring equipment is installed, the chassis and the traction assembly are detached for installation, so that the barring equipment occupies a smaller space of a cabin in the installation process, and the barring equipment is convenient to install in the cabin;

2. by adopting the length-adjustable counter force arm, when the traction assembly is installed, the distance between the force arm connecting rod and the counter force support can be adjusted, so that the traction assembly can be used for traction of chassis at different heights, the barring equipment is suitable for installation of wind generating sets with different types of power, and the applicability of the barring equipment is improved;

3. through adopting the sensor, real moment value that the epaxial sensor of power takeoff pin received to the barring equipment carries out real-time supervision to reduce because of the circumstances that the barring equipment that moment value received is great leads to the barring equipment to appear damaging.

Drawings

Fig. 1 is a schematic overall structural diagram of a barring gear for installation of a wind power blade in embodiment 1 of the present application;

FIG. 2 is an exploded schematic view of a part of a structure of a barring gear for installation of wind power blades in embodiment 1 of the present application, which shows the internal structure of a base in a protruding manner;

FIG. 3 is an exploded schematic view of a part of the structure of the barring gear for installation of the wind power blade in embodiment 1 of the application, wherein the part of the structure is a drawing assembly which is highlighted;

FIG. 4 is a schematic overall structure diagram of a turning gear for wind turbine blade installation in embodiment 2 of the present application;

fig. 5 is an exploded schematic view of a part of the structure of the barring gear for wind power blade installation in embodiment 3 of the present application, which shows the driven rotating member in a protruding manner.

Description of reference numerals: 1. a chassis; 2. a coupling; 3. a drive member; 4. a pulling assembly; 41. a moment arm connecting rod; 42. a reaction arm; 421. a telescopic sleeve; 422. a first telescopic rod; 423. a second telescopic rod; 43. a counter-force support; 431. a support base; 432. connecting the base body; 5. a first pin shaft; 6. a second pin shaft; 7. a force taking pin shaft; 8. a sensor; 9. a drive gear; 10. a driven rotating member; 101. a slewing bearing; 102. a driven gear; 11. a guard plate; 12. a cotter pin; 13. a first mounting groove; 14. a second mounting groove; 15. a switching disk; 16. a slot; 17. clamping the strip; 18. fixing the bolt; 19. a chute; 20. a supporting seat; 21. a bolt; 22. and (4) a slot.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses barring equipment for installation of wind power blades.

Example 1:

referring to fig. 1 and 2, the turning gear for mounting the wind power blade comprises a chassis 1, wherein a pulling assembly 4 is mounted on the side wall of the chassis 1, and one end, far away from the chassis 1, of the pulling assembly 4 is fixedly connected with a cabin. Circular first mounting groove 13 has been seted up at the middle part on chassis 1, and chassis 1 is located the relative both sides of first mounting groove 13 and all sets up the second mounting groove 14 that is linked together with first mounting groove 13. Chassis 1 is located and all rotates in two second mounting grooves 14 and installs drive gear 9, and chassis 1 keeps away from on the lateral wall of second mounting groove 14 fixed mounting have two driving pieces 3, and the drive end of two driving pieces 3 respectively with two drive gear 9 fixed connection. In this application, driving piece 3 can select for use to be hydraulic motor, and driving piece 3 drives drive gear 9 through hydraulic pressure and rotates.

Chassis 1 is located and has circular ring form supporting seat 20 through bolt fixed mounting in first mounting groove 13, and the adaptation rotates the cover on the supporting seat 20 and is equipped with driven rotation piece 10, and in this application, driven rotation piece 10 optional gear, two drive gear 9 all with driven rotation piece 10 mesh mutually, and two drive gear 9 are located the relative both sides of driven rotation piece 10. Drive gear 9 drives driven rotation piece 10 and rotates, and two drive gear 9 drive driven rotation piece 10 in driven rotation piece 10's relative both sides to increased the drive power that driven rotation piece 10 received, the driven rotation piece 10 of being convenient for rotates.

The driven rotation piece 10 is kept away from on the lateral wall of supporting seat 20 through the coaxial fixed mounting of a plurality of bolts have shaft coupling 2, and shaft coupling 2 keeps away from the one end integrated into one piece of driven rotation piece 10 and has switching dish 15, and switching dish 15 is through the coaxial fixed connection of the output of a plurality of bolts and gear box. Chassis 1 is connected with the gear box through shaft coupling 2, and shaft coupling 2 supports chassis 1, make chassis 1 suspension in the midair, driven rotation piece 10 drives shaft coupling 2 and rotates, shaft coupling 2 rotates through 15 drive gear 9 incasement gears of switching dish, thereby make the gear box rotate through wind wheel axle drive wheel hub, and simultaneously, when shaft coupling 2 rotates, tractive subassembly 4 carries out the tractive to chassis 1, make shaft coupling 2 not take place to rotate at rotation in-process chassis 1.

A brake disc is installed in the gear box in a rotating mode, a brake mechanism is installed in the gear box, and the brake mechanism clamps the brake disc to achieve locking of the gear box. After driving piece 3 drive wheel hub rotated to appointed angle, brake mechanism locked the gear box through the brake disc to driving piece 3 stop driving, the staff installs the blade on wheel hub this moment.

There is backplate 11 through bolt fixed mounting on chassis 1 is close to the lateral wall of shaft coupling 2, backplate 11 cover is established in shaft coupling 2 and the fixed connection department of driven rotation piece 10, and there is gapped confession shaft coupling 2 between backplate 11 and the shaft coupling 2 and rotates, backplate 11 shade is at two drive gear 9 and the meshing department of driven rotation piece 10 and protect meshing department to the reduction leads to the condition that the barring equipment breaks down because of the foreign object drops to drive gear 9 and the meshing department of driven rotation piece 10.

Referring to fig. 1 and 3, the traction assembly 4 can be detachably and fixedly installed in the cabin and pulls the chassis 1, when the turning gear equipment is installed, the hoisting equipment is used for hoisting the chassis 1 and the traction assembly 4 into the cabin respectively, the adapter disc 15 on the coupler 2 is coaxially and fixedly installed at the output end of the gear box, the coupler 2 supports the chassis 1 at the moment, the chassis 1 is suspended in the air, the traction assembly 4 is installed on the chassis 1, the other end of the traction assembly 4 is fixed in the cabin, and the turning gear equipment can be installed. The chassis 1 and the traction assembly 4 are installed in a split mode, so that the space of the engine room occupied by the turning equipment in the installation process is smaller, and the turning equipment is convenient to install in the engine room.

The traction assembly 4 comprises a force arm connecting rod 41, a reaction arm 42 and a reaction support 43, wherein the force arm connecting rod 41 is detachably mounted on the side wall of one end of the chassis 1 along the axial direction of the adapter 15, and the reaction arm 42 is rotatably and detachably mounted at one end of the force arm connecting rod 41 far away from the chassis 1. The reaction force support 43 includes a support base 431 and a connection base 432, the support base 431 is fixed on the nacelle through bolts, the connection base 432 is fixedly installed on the top wall of the support base 431, and one end of the reaction force arm 42 far away from the moment arm connecting rod 41 is detachably and rotatably connected with the connection base 432.

When driving piece 3 drives wheel hub through shaft coupling 2 and rotates, chassis 1 has the trend with the coaxial pivoted of shaft coupling 2, chassis 1 acts on arm of force connecting rod 41 this moment, and rethread reaction arm 42 transmits the rotatory moment of chassis 1 to the reaction support 43 who links to each other with the cabin main structure on, reaction support 43 carries out the tractive through reaction arm of force 42 to arm of force connecting rod 41 to carry out the tractive to chassis 1, make chassis 1 can not take place to rotate when the equipment of turning a stock moves, stability when having ensured the equipment of turning a stock and using.

Referring to fig. 1, the supporting seat body 431 is provided with a slot 16, an ear seat is fixedly installed in the cabin, when the reaction force support 43 is installed on the cabin, the supporting seat body 431 covers the ear seat, and at this time, a plug pin is inserted into the slot 16 and the ear seat, so that the reaction force support 43 is limited and fixed, and the stability of the reaction force support 43 is improved.

Referring to fig. 3, the reaction arm 42 includes a first telescopic rod 422, a second telescopic rod 423 and a telescopic sleeve 421, the first telescopic rod 422 is rotatably connected with the arm connecting rod 41, the second telescopic rod 423 is rotatably connected with the reaction support 43, the telescopic sleeve 421 is sleeved on one end of the first telescopic rod 422 close to the second telescopic rod 423, and the first telescopic rod 422 is in threaded fit with the telescopic sleeve 421, the second telescopic rod 423 is in threaded fit with the telescopic sleeve 421. In this application, telescopic sleeve 421 can choose for use to be the thread bush, and first telescopic link 422 and second telescopic link 423 all can choose for use to be the threaded rod.

Referring to fig. 1 and 3, the types of gear boxes used by wind generating sets with different types of powers are different, and the heights of the output ends of the gear boxes with different types are also different. When installing tractive subassembly 4, install chassis 1 at the output end department of gear box through the connection pad earlier, fix arm of force connecting rod 41 and reaction support 43 respectively on chassis 1 and cabin again, at this moment, rotate first telescopic link 422 and second telescopic link 423 in the telescopic sleeve 421, and adjust the length of reaction arm of force 42, install first telescopic link 422 on arm of force connecting rod 41 after reaction arm 42 length adjustment, install second telescopic link 423 on reaction support 43, can accomplish tractive subassembly 4's installation. The distance between the force arm connecting rod 41 and the reaction force support 43 can be adjusted, so that the traction assembly 4 can be used for drawing the chassis 1 at different heights, the barring equipment is suitable for mounting wind generating sets with different types of power, and the applicability of the barring equipment is improved.

Two first pin shafts 5 are arranged at one end, close to the chassis 1, of the force arm connecting rod 41 in a penetrating mode, the two first pin shafts 5 penetrate through the chassis 1, and the force arm connecting rod 41 is detachably and fixedly installed on the chassis 1 through the two first pin shafts 5. One end of the force arm connecting rod 41 far away from the chassis 1 is provided with a second pin shaft 6 in a penetrating mode, the second pin shaft 6 penetrates through the first telescopic rod 422, and the first telescopic rod 422 can be detachably and rotatably installed on the force arm connecting rod 41 through the second pin shaft 6. The power take-off pin 7 penetrates through one end, far away from the moment arm connecting rod 41, of the second telescopic rod 423, the power take-off pin 7 penetrates through the connecting seat body 432, and the second telescopic rod 423 is detachably and rotatably installed on the connecting seat body 432 through the power take-off pin 7.

In this application, first round pin axle 5 and second round pin axle 6 all can be selected for use to foraminiferous round pin axle, and the hole department of first round pin axle 5 and second round pin axle 6 all pegs graft and has cotter pin 12. When installing tractive subassembly 4, use first round pin axle 5, second round pin axle 6 and power take-off round pin axle 7 can be fast with arm of force connecting rod 41, reaction arm 42 and reaction support connection equipment to make tractive subassembly 4's dismouting convenient and fast more, and at the opening part grafting split pin 12 of first round pin axle 5 and 6 tip of second round pin axle, make first round pin axle 5 and second round pin axle 6 more stable.

Install sensor 8 on the round pin axle 7 of getting power, in this application, sensor 8 can choose for use to be moment sensor 8. When the traction assembly 4 is used for drawing the chassis 1, the sensor 8 collects a real-time torque value of the turning gear and transmits the torque value to the display device. The staff uses sensor 8 to carry out real-time supervision to the true moment value that the equipment of turning gear received to reduce because of the great condition that leads to the equipment of turning gear to appear damaging of the moment value that the equipment of turning gear received.

The force arm connecting rod 41 is in a right triangle shape, the two first pin shafts 5 respectively penetrate through two ends of a right-angle side of the force arm connecting rod 41 and fix the force arm connecting rod 41 on the chassis 1, and the cross section of the force arm connecting rod 41 is in an I shape. When the traction assembly 4 pulls the turntable, the traction stress point of the traction assembly 4 is mainly concentrated on the force arm connecting rod 41, the force arm connecting rod 41 in a right-angled triangle shape increases the structural stability of the force arm connecting rod 41, so that the force arm connecting rod 41 is not easy to deform when being subjected to a large traction force, and the force arm connecting rod 41 with the cross section in an I shape increases the structural strength of the force arm connecting rod 41, thereby further improving the stability of the force arm connecting rod 41 when being stressed.

When the traction assembly 4 is installed, the force arm connecting rod 41 has two installation forms, when the force arm connecting rod 41 is installed in the forward direction, one right-angle edge of the force arm connecting rod 41 is attached to the chassis 1, the other right-angle edge is located at the top position of the force arm connecting rod 41, when the force arm connecting rod 41 is installed in the reverse direction, one right-angle edge of the force arm connecting rod 41 is attached to the chassis 1, and the other right-angle edge is located at the bottom position of the force arm connecting rod 41. When installing arm of force connecting rod 41 forward, tractive subassembly 4 is applicable to the lower condition of gear box output distance cabin diapire, and when reverse installation arm of force connecting rod 41, tractive subassembly 4 is applicable to the higher condition of gear box output distance cabin diapire, through forward and reverse installation arm of force connecting rod 41, has increased the scope of adjustable length between arm of force connecting rod 41 and the counter-force support 43 to the suitability of barring equipment is further improved.

The implementation principle of the embodiment 1 of the application is as follows: use a plurality of bolts with the coaxial fixed mounting of switching dish 15 on the output of gear box, use a plurality of bolts with reaction support 43 fixed mounting in the cabin, according to the high forward or reverse installation arm of force connecting rod 41 of gear box output, rotate first telescopic link 422 and second telescopic link 423 and adjust reaction arm 42 length, reuse second round pin axle 6 to be connected reaction arm 42 and arm of force connecting rod 41, use power take-off round pin axle 7 to be connected reaction arm 42 and reaction support 43, can accomplish the installation of barring equipment. When installing the barring equipment, the chassis 1 and the traction assembly 4 are installed in a split mode, so that the occupied cabin space of the barring equipment in the installation process is smaller, and the barring equipment is convenient to install in the cabin.

Example 2:

referring to fig. 4, the present embodiment is different from embodiment 1 in that a connection seat 432 is slidably installed on a top wall of a support seat 431 along a length direction of the support seat 431. The roof that supports pedestal 431 all extends to self width direction's both sides and is formed with card strip 17, connects pedestal 432 looks adaptation slip joint on two card strips 17, and three fixing bolt 18 is worn to be equipped with by the screw respectively in the both sides of connecting pedestal 432, has seted up spout 19 along supporting pedestal 431 length direction on the roof of card strip 17, and fixing bolt 18 supports tightly at the 19 diapalls of spout of card strip 17 and fixes connecting pedestal 432. When the reaction force support 43 is to be mounted, the support base body 431 is first fixedly mounted on the ear base of the nacelle, the connection base body 432 is then slidably mounted on the support base body 431, and finally the reaction arm 42 and the connection base body 432 are connected and mounted. The connection base 432 slides on the support base 431, so that an error of welding of the nacelle ear base can be compensated, and the reaction force support 43 can be conveniently installed.

The implementation principle of embodiment 2 of the present application is as follows: when the reaction force support 43 is to be mounted, the support base body 431 is first fixedly mounted on the ear base of the nacelle, the connection base body 432 is then slidably mounted on the support base body 431, and finally the reaction arm 42 and the connection base body 432 are connected and mounted. The connection base 432 slides on the support base 431, so that an error of welding of the nacelle ear base can be compensated, and the reaction force support 43 can be conveniently installed.

Example 3:

referring to fig. 5, the present embodiment is different from embodiment 1 in that the driven rotation member 10 includes a rotary bearing 101 and a driven gear 102, the supporting seat 20 is fixedly mounted on the side wall of the base by a plurality of bolts, the rotary bearing 101 is adapted to be rotatably sleeved on the supporting seat 20, the driven gear 102 is coaxially and fixedly mounted on the side wall of the rotary bearing 101 far away from the supporting seat 20 by a plurality of bolts, and the driven gear 102 is meshed with the two driving gears 9. Two drive gears 9 drive driven gear 102 to rotate, driven gear 102 drives slewing bearing 101 to rotate on supporting seat 20, and makes driven gear 102 be located the base outside through using slewing bearing 101 to make the barring equipment can use in different cabin installation environment.

Meanwhile, the base 1 is further provided with a plug 21, the plug 21 is slidably mounted on the base 1 along the axial direction of the driven gear 102, the driven gear 102 is provided with a plurality of circular slots 22 around at equal intervals, and the plug 21 is slidably inserted into the slots 22. After the barring equipment drives wheel hub and rotates the regulation, slide bolt 21 and insert in bolt 22 to carry on spacingly to driven gear 102, make driven gear 102 can't rotate again, and then make wheel hub can't rotate again, thereby be convenient for install the blade.

The implementation principle of embodiment 3 of the application is as follows: two drive gears 9 drive driven gear 102 and rotate, and driven gear 102 drives slewing bearing 101 and rotates on supporting seat 20, and makes driven gear 102 be located the base outside through using slewing bearing 101 to make the rolling gear equipment can use in different cabin installation environment. After the barring equipment drives wheel hub and rotates the regulation, slide bolt 21 and insert in bolt 22 to carry on spacingly to driven gear 102, make driven gear 102 can't rotate again, and then make wheel hub can't rotate again, thereby be convenient for install the blade.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a barring equipment for wind-powered electricity generation blade installation which characterized in that: including chassis (1), rotate on the lateral wall of chassis (1) and be provided with shaft coupling (2) with gear box output coaxial coupling, be provided with at least one on chassis (1) and be used for driving shaft coupling (2) and carry out pivoted driving piece (3), can dismantle on chassis (1) and be provided with tractive subassembly (4) with cabin fixed connection, tractive subassembly (4) carry out the tractive to chassis (1) and are used for restraining chassis (1) along with shaft coupling (2) rotate jointly.

2. A barring apparatus for wind power blade installation as claimed in claim 1 wherein: the traction assembly (4) comprises a force arm connecting rod (41), a reaction force arm (42) and a reaction force support (43), the force arm connecting rod (41) is arranged on the chassis (1), the reaction force support (43) is fixedly arranged in the cabin, and two ends of the reaction force arm (42) are respectively connected with the force arm connecting rod (41) and the reaction force support (43) in a rotating mode.

3. Turning gear for wind blade mounting according to claim 2, characterized in that: the reaction arm (42) comprises a telescopic sleeve (421) and a telescopic rod, the telescopic rod and the telescopic sleeve (421) are respectively connected with the arm connecting rod (41) and the reaction support (43), and the telescopic sleeve (421) is arranged on the telescopic rod in an adjustable mode along the axis direction of the telescopic rod.

4. A barring apparatus for wind power blade installation as claimed in claim 2 wherein: the moment arm connecting rod (41) is connected with the chassis (1) in a penetrating mode and provided with a first pin shaft (5), the moment arm connecting rod (41) is detachably arranged on the chassis (1) through the first pin shaft (5), a second pin shaft (6) is arranged at the connection position of the moment arm connecting rod (41) and the reaction arm (42) in a penetrating mode, the reaction arm (42) is detachably arranged on the moment arm connecting rod (41) through the second pin shaft (6), a force taking pin shaft (7) is arranged at the connection position of the reaction arm (42) and the reaction support (43), and the reaction arm (42) is detachably arranged on the reaction support (43) through the force taking pin shaft (7).

5. A barring apparatus for wind power blade mounting as claimed in claim 4 wherein: the force arm connecting rod (41) is in a right-angled triangle shape, the number of the first pin shafts (5) is two, and the two first pin shafts (5) are respectively arranged at two ends of the right-angled edge of the force arm connecting rod (41) in a penetrating mode.

6. A barring apparatus for wind power blade mounting as claimed in claim 4 wherein: and a sensor (8) for acquiring the moment value of the turning gear is arranged on the power take-off pin shaft (7).

7. A barring apparatus for wind power blade installation as claimed in claim 1 wherein: the utility model discloses a quick-witted, including chassis (1), shaft coupling (2), backplate (11), the rotation is provided with drive gear (9) of being connected with driving piece (3) transmission in chassis (1), be provided with in chassis (1) with the driven rotation piece (10) of drive gear (9) engaged with, just the coaxial fixed mounting of shaft coupling (2) is on the lateral wall of driven rotation piece (10), be provided with backplate (11) on chassis (1), backplate (11) cover is established in drive gear (9) and driven rotation piece (10) meshing department.

8. A barring apparatus for wind power blade mounting as claimed in claim 7 wherein: driving piece (3) and drive gear (9) all are provided with a plurality ofly, and are a plurality of equidistant the surrounding of driving piece (3) and drive gear (9) sets up on chassis (1), and is a plurality of drive gear (9) all with driven rotation piece (10) looks meshing.

9. A barring apparatus for wind power blade installation as claimed in claim 2 wherein: the reaction force support (43) comprises a support base body (431) and a connection base body (432), the support base body (431) is fixedly arranged in the cabin, the connection base body (432) is clamped and slidably arranged on the support base body (431), and the reaction force arm (42) is rotatably connected with the connection base body (432).

10. A barring apparatus for wind power blade mounting as claimed in claim 7 wherein: fixed mounting has supporting seat (20) on the lateral wall of chassis (1), driven rotation piece (10) include slewing bearing (101) and driven gear (102), slewing bearing (101) coaxial fixed setting is on the lateral wall of driven gear (102), slewing bearing (101) rotate the cover and establish on supporting seat (20), just driven gear (102) mesh mutually with drive gear (9).